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    <ul>
        <li>
            <a href="#a">京东秒杀</a>
        </li>
        <li>
            <a href="#d">双十一</a>
        </li>
        <li>
           <a href="#b"> 频道优选</a>
        </li>
        <li>
            <a href="#c">特色广场</a>
        </li>
    </ul>
    <div id="a">京东秒杀</div>
    <div id="d">双十一</div>
    <div id="b">频道优选</div>
    <div id="c">特色广场</div>
    
</body>
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